Kia Carnival (2007 year). Manual — part 575

2007 > 3.8L V6 GASOLINE >

TROUBLE SYMPTOM CHARTS

TROUBLE SYMPTOM 1

TROUBLE SYMPTOM 2

Trouble symptom

Probable cause

Remedy

The set vehicle speed varies greatly
upward or downward
"Surging" (repeated alternating
acceleration and deceleration) occurs
after setting

Malfunction of the vehicle speed
sensor circuit

Repair the vehicle speed sensor
system, or replace the part

Malfunction of ECM

Replace the ECM

TROUBLE SYMPTOM 3

Trouble symptom

Probable cause

Remedy

The CC system is not canceled when
the brake pedal is depressed

Damaged or disconnected wiring of
the brake pedal switch

Repair the harness or replace the
brake pedal switch

Malfunction of the ECM

Replace the ECM

TROUBLE SYMPTOM 4

Trouble symptom

Probable cause

Remedy

The CC system is not canceled when
the shift lever is moved to the "N"

Damaged or disconnected wiring of
inhibitor switch input circuit

Repair the harness or repair or
replace the inhibitor switch

the shift lever is moved to the "N"
position (It is canceled, however,
when the brake pedal is depressed

replace the inhibitor switch

Improper adjustment of inhibitor
switch

Malfunction of the ECM

Replace the ECM

TROUBLE SYMPTOM 5

Trouble symptom

Probable cause

Remedy

Cannot decelerate (coast) by using
the SET switch

Temporary damaged or disconnected
wiring of SET switch input circuit

Repair the harness or replace the
SET switch

Malfunction of the ECM

Replace the ECM

TROUBLE SYMPTOM 6

Trouble symptom

Probable cause

Remedy

Cannot accelerate or resume speed
by using the RESUME switch

Damaged or disconnected wiring, or
short circuit, or RESUME switch input
circuit

Repair the harness or replace the
RESUME switch

Malfunction of the ECM

Replace the ECM

TROUBLE SYMPTOM 7

Trouble symptom

Probable cause

Remedy

CC system can be set while driving at
a vehicle speed of less than 40km/h
(25mph), or there is no automatic
cancellation at that speed

Malfunction of the vehicle-speed
sensor circuit

Repair the vehicle speed sensor
system, or replace the part

Malfunction of the ECM

Replace the ECM

TROUBLE SYMPTOM 8

Trouble symptom

Probable cause

Remedy

The cruise main switch indicator lamp
does not illuminate (But CC system is
normal)

Damaged or disconnected bulb of
cruise main switch indicator lamp

Repair the harness or replace the
part.

Harness damaged or disconnected

2007 > 3.8L V6 GASOLINE >

CIRCUIT DIAGRAM

2007 > 3.8L V6 GASOLINE >

REMOVAL

1. Disconnect the battery (-) terminal.

2. Remove the driver side air bag module. (Refer to RT GR.)

3. Disconnect the cruise control switch connector and then remove the cruise control switch(A) with two screws.

4. Installation is the reverse of removal.

INSPECTION

MEASURING RESISTANCE

1. Disconnect the cruise control switch connector from the control switch.

2. Measure resistance between terminals on the control switch when each function switch is ON (switch is

depressed).

Function switch

Terminal

Resistance

Cruise Main

RH 1-2

3.9kΩ ± 1%

Cancel

RH 1-3

0Ω ± 1%

Set/Coast

RH 1-3

220Ω ± 1%

Resume/Accel

RH 1-3

910Ω ± 1%

3. If not within specification, replace switch.

MEASURING VOLTAGE

1. Connect the cruise control switch connector to the control switch.